Stepbrother

He has become a role model for his younger stepbrother.

He's my stepbrother.

Tom is my stepbrother.

I have a stepbrother.

I'm Tom's stepbrother.

Tom is Mary's stepbrother.

Tom is Mary's stepbrother, isn't he?

Sami went back into that room with his stepbrother.

Sami is Layla's older stepbrother.

Sami is Layla's stepbrother.